///*
// * Copyright (C) 2015 Square, Inc.
// *
// * Licensed under the Apache License, Version 2.0 (the "License");
// * you may not use this file except in compliance with the License.
// * You may obtain a copy of the License at
// *
// *      http://www.apache.org/licenses/LICENSE-2.0
// *
// * Unless required by applicable law or agreed to in writing, software
// * distributed under the License is distributed on an "AS IS" BASIS,
// * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// * See the License for the specific language governing permissions and
// * limitations under the License.
// */
//package okhttp3.logging
//
//import java.io.EOFException
//import okio.Buffer
//
///**
// * Returns true if the body in question probably contains human readable text. Uses a small
// * sample of code points to detect unicode control characters commonly used in binary file
// * signatures.
// */
//internal fun Buffer.isProbablyUtf8(): Boolean {
//  try {
//    val prefix = Buffer()
//    val byteCount = size.coerceAtMost(64)
//    copyTo(prefix, 0, byteCount)
//    for (i in 0 until 16) {
//      if (prefix.exhausted()) {
//        break
//      }
//      val codePoint = prefix.readUtf8CodePoint()
//      if (Character.isISOControl(codePoint) && !Character.isWhitespace(codePoint)) {
//        return false
//      }
//    }
//    return true
//  } catch (_: EOFException) {
//    return false // Truncated UTF-8 sequence.
//  }
//}
